SOUTHERN CALIFORNIA GAS CO — Integrity Assurance Notification

REASSESSMENT INTERVAL ABOVE 30% SMYSPlease find the attached 3 Extension Request Letters in accordance with 49 CFR § 192.939(a). As required by 49 CFR §190.343, Information made available to the public and request for protection of confidential commercial information, please find attached: • Confidentiality marked version of “L 36-37 Extension Request.pdf” • Redacted document titled “L 36-37 Extension Request_Redacted.pdf” • Confidentiality marked version of “L 49-28 Extension Request.pdf” • Redacted document titled “L 49-28 Extension Request_Redacted.pdf” • Confidentiality marked version of “L 49-16 Extension Request.pdf” • Redacted document titled “L 49-16 Extension Request_Redacted.pdf” • “Confidentiality Declaration_Extension Requests.pdf” for CPUC treatment of confidential information • “PHMSA FOIA Request – Extension Requests 12-12-2022”, explanation of our request for confidential treatment of these documents at a federal level#